| | Interactive Design Systems, Inc. - Offering bridge engineering software for pre-stressed or segmental concrete and cable-stay bridges. |
| | A-Zed Structural Engineers - Concrete, steel, masonry, and wood framing residential/commercial buildings. |
| | Deardorff & Deardorff, Inc. - Provide structural design services and software solutions to the design, construction and development industries. |
| | Libby Engineers, Inc. - Structural engineers. |
| | Nasland Engineering - Civil engineering, surveying and land planning services to the southwest United States. |
| | Dorsey Instruments - Sales and service of surveying and construction instruments. |
| | Strain Monitoring Systems - Developers of advanced structural monitoring systems & passive peak strain sensing technology. |
| | R&A Products - Offer the Pro-Level Manometer, a single operator, survey instrument for measuring or setting levels inside buildings, behind walls, or around corners. |